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Senior Reactor Systems Engineer

RadiantEl Segundo, CA

$133,500–184,800/yr + equity

Posted Oct 2, 2026

What you’d do

Owns technical integration of a first-of-a-kind reactor, aligning design decisions across nuclear physics, thermal-hydraulics, controls, structures, materials, fuel, and licensing. Hands-on role requiring cross-discipline leadership and technical writing of specifications and decision memos. Found on the employer's careers page on Oct 18, 2026. Apply through the link.

You’ll need

  • BS in nuclear, mechanical, aerospace, systems, or related engineering
  • 6+ years full-time professional engineering experience
  • Systems engineering, integration, or technical leadership on complex hardware
  • Ability to work across multiple engineering disciplines
  • Strong technical writing

Our summary of the listing. The full listing has the details.

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